Apple has designed the iPad to automatically update on occasion for essential and systems software when your iPad is connected to a computer with internet. If you don’t connect your device and sync your data with regularit, follow the simple steps below to manually update your iPad software.

This method still requires connecting to a computer! There should be a way to do this over the air; no computer required.
My App World (myappworld.com) is an independent web magazine with obsessive daily coverage of everything new in Apple products with special emphasis in the iPad.

How to Reset your iPad and do basic trouble shooting
Most likely your app crashed or you are executing the multi touch gestHow to use Twitter on the iPad
I can't figure out how to use this app. At all. I've been trying for aHow to Play iPad Videos on Your TV or Monitor
I also wonder if a weak broadband is causing my sling player to have sHow to Create and Edit Reminders on your iOS 5 iPad
This was a great help to improve my understanding of Reminder T Kruge